CN108717232A - A kind of optical switch device - Google Patents
A kind of optical switch device Download PDFInfo
- Publication number
- CN108717232A CN108717232A CN201810714493.3A CN201810714493A CN108717232A CN 108717232 A CN108717232 A CN 108717232A CN 201810714493 A CN201810714493 A CN 201810714493A CN 108717232 A CN108717232 A CN 108717232A
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- CN
- China
- Prior art keywords
- fiber
- optical
- switch device
- array
- optic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
- G02B6/3518—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror the reflective optical element being an intrinsic part of a MEMS device, i.e. fabricated together with the MEMS device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
- G02B6/3546—NxM switch, i.e. a regular array of switches elements of matrix type constellation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to optical device fields, and in particular to a kind of optical switch device.Including fiber array, optical mirror slip group and dmd chip, the fiber array includes multiple optic fibre input ends and multiple fiber-optic outputs, and the dmd chip includes the specific reflection region of multiple array settings；Wherein, it multiple optic fibre input end output beams and is incident on light reflection occurs in corresponding specific reflection region by optical mirror slip group, and is coupled in corresponding fiber-optic output using optical mirror slip group.The present invention constitutes a cramped construction by designing optical switch device, using dmd chip, realizes the NxN designs of photoswitch, does not need additional designs catoptric arrangement, reduces design and production cost, and improve the practicability of the optical switch device.
Description
Technical field
The present invention relates to optical device fields, and in particular to a kind of optical switch device.
Background technology
Photoswitch is a kind of optical device with one or more optional transmission ports, and effect is to optical transmission line
Optical signal in road or integrated optical circuit carries out physics switching or logical operation.
It is based particularly on the photoswitch of NxN, is generally made by mechanical principle, or is opened by 1xN optics
Put row cascaded design into.
But the appearance and size of above-mentioned two scheme is big, and it is of high cost, be not suitable for large-scale production.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of optical switch device,
Solve the problems, such as that the of high cost of existing optical switch device, size are big.
The technical solution adopted by the present invention to solve the technical problems is：A kind of optical switch device, including optical fiber array are provided
Row, optical mirror slip group and dmd chip, the fiber array include multiple optic fibre input ends and multiple fiber-optic outputs, the DMD
Chip includes the specific reflection region of multiple array settings；Wherein, multiple optic fibre input end output beams and pass through optics
Lens set is incident on light reflection occurs in corresponding specific reflection region, and is coupled to corresponding light using optical mirror slip group
In fine output end.
Wherein, preferred version is：The optical mirror slip group includes plus lens, multiple optic fibre input end outputs
Light beam simultaneously forms multiple first convergences position, the specific reflection region of the dmd chip and the first convergence position by plus lens
It sets and is correspondingly arranged.
Wherein, preferred version is：The reflecting optics in the specific reflection region are carried out anti-by the rotating mechanism of dmd chip
Direction adjustment is penetrated, the light beam of multiple specific reflection region reflections simultaneously forms multiple second convergences position by plus lens,
The fiber-optic output is correspondingly arranged with the second convergence position.
Wherein, preferred version is：The optical mirror slip group includes multiple plus lens at array arrangement, and the convergence is saturating
Mirror is aligned setting with the optic fibre input end of fiber array and fiber-optic output respectively.
Wherein, preferred version is：The optical mirror slip group further includes into the collimation lens of array arrangement, the collimation lens
Be arranged between plus lens and fiber array, the collimation lens respectively with the optic fibre input end of fiber array and optical fiber output
End alignment setting.
Wherein, preferred version is：The fiber array is arranged for N*N arrays, and the collimation lens is also that N*N arrays are set
It sets.
Wherein, preferred version is：The optical mirror slip group further includes a substrate, and the substrate is equipped with multiple arrays
It arranges and through-hole corresponding with collimator lens position, the collimation lens is embedded in the through-hole of substrate.
Wherein, preferred version is：The fiber array includes the optical fiber interface of multiple array arrangements, and each optical fiber connects
Mouth is used as an optic fibre input end or/and fiber-optic output, and is connect with external optical fiber.
Wherein, preferred version is：The optical fiber interface be double-fiber tail optical fiber, each double-fiber tail optical fiber respectively with an input optical fibre
It is connected with an output optical fibre.
Wherein, preferred version is：The optical mirror slip group includes into the collimation lens of array arrangement, the collimation lens point
Setting is not aligned with an at least double-fiber tail optical fiber.
The beneficial effects of the present invention are compared with prior art, the present invention is by designing optical switch device, using DMD
Chip constitutes a cramped construction, realizes the NxN designs of photoswitch, does not need additional designs catoptric arrangement, reduces design and production
Cost, and improve the practicability of the optical switch device.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the structural schematic diagram of optical switch device of the present invention；
Fig. 2 is the structural schematic diagram of dmd chip of the present invention；
Fig. 3 is the structural schematic diagram of plus lens of the present invention；
Fig. 4 is the structural schematic diagram of optical mirror slip group of the present invention.
Specific implementation mode
In conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of preferred embodiment of optical switch device.
A kind of optical switch device, including fiber array 110, optical mirror slip group 120 and dmd chip 130, the fiber array
110 include multiple optic fibre input ends and multiple fiber-optic outputs, and the dmd chip 130 includes the specific anti-of multiple arrays setting
Penetrate region 131；Wherein, multiple optic fibre input end output beams and process optical mirror slip group 120 are incident on corresponding specific
Light reflection occurs in reflector space 131, and it is coupled in corresponding fiber-optic output using optical mirror slip group 120.
Specifically, fiber array 110 includes into multiple optical fiber 111 of array setting and multiple optical fiber incident beams, and
By optical mirror slip group 120, such as collimated, converged, filter processing, be incident to the specific reflection region on dmd chip 130
131, also, by adjusting the parameter or type of optical mirror slip group 120, the light beam preferably by different incidences can be incident to setting
Dmd chip 130 on specific reflection region 131, that is, use dmd chip 130, control the reflection in its specific reflection region 131
Mirror, you can complete light selection or the photoswitch of optical switch device.
For example, working as a certain optic fibre input end output beam, dmd chip 130 is being incident to after optical mirror slip group 120
First specific reflection region 131, and be coupled in corresponding fiber-optic output by the first specific reflection region 131, at this point, can
It, will to realize that two kinds of controls can control the reflection direction of 131 speculum of the first specific reflection region of dmd chip 130 first
The light beam for being coupled to fiber-optic output reflexes to elsewhere, realizes that light path is closed, or reflex to other fiber-optic outputs, real
Existing light path converting, secondly, 131 speculum of the first specific reflection region of controllable dmd chip 130 do not reflect, and realize that light path is closed
It closes.
As shown in figs. 1 and 3, the present invention provides a kind of preferred embodiment of plus lens.
The optical mirror slip group 120 includes plus lens 121, and multiple optic fibre input end output beams simultaneously pass through
Plus lens 121 forms multiple first convergences position, and position is converged in the specific reflection region 131 and first of the dmd chip 130
It is correspondingly arranged.
Specifically, multiple optic fibre input end output beams and process plus lens 121 form multiple first and converge
Poly- position, it is described first convergence position when forming array arrange, be convenient for dmd chip 130 control, it is however generally that, neighbouring is several
A optic fibre input end is concentrated on by the light beam that plus lens 121 converges in same specific reflection region 131, above-mentioned
Pass through the adjustment realization to plus lens 121.Further, the optical mirror slip group 120 includes multiple remittances at array arrangement
Poly- lens 121, the plus lens 121 are aligned setting with the optic fibre input end of fiber array 110 and fiber-optic output respectively, with
Only one plus lens 121 of setting is compared, although this scheme cost can increased, technique can be more complicated, it adjusts light path
Path effects are best, can be incident in corresponding first convergence position accurately by by the light beam of plus lens 121.
And the reflecting optics in the specific reflection region 131 pass through the rotating mechanism of dmd chip 130 and carry out reflection side
To adjustment, the light beam of multiple reflections of specific reflection regions 131 simultaneously forms multiple second convergences position by plus lens 121
It sets, the fiber-optic output is correspondingly arranged with the second convergence position.
Preferably, if optical switch device is turned on and off into realization light path, each specific reflection area of dmd chip 130
The speculum in domain 131 is only there are two adjusting the angle, and the first adjustment angle is reflexed in corresponding fiber-optic output, and second adjustment
Angle is to reflex to elsewhere, realizes that light path opens and closes.If alternatively, optical switch device into realize light path converting, DMD
The speculum in each specific reflection region 131 of chip 130 is adjusted the angle at least provided with two, and the first adjustment angle is to reflex to
In first fiber-optic output, and second adjustment angle is to reflex to the second fiber-optic output, and also have other to adjust the angle just
It reflexes in other fiber-optic outputs, realizes light path converting.Alternatively, if optical switch device is into realizing light path converting and pass
It closes, the speculum in each specific reflection region 131 of dmd chip 130 is adjusted the angle at least provided with three, and the first adjustment angle is
It reflexes in the first fiber-optic output, and second adjustment angle is to reflex to the second fiber-optic output, third adjustment angle is anti-
It is incident upon blank position, realizes that light path is closed, and also have other adjustment angles just to reflex in other fiber-optic outputs, realizes
Light path converting.
As shown in figure 4, the present invention provides a kind of preferred embodiment of plus lens.
The optical mirror slip group 120 further includes into the collimation lens 122 of array arrangement, and the setting of the collimation lens 122 exists
Between plus lens 121 and fiber array 110, the collimation lens 122 respectively with the optic fibre input end and light of fiber array 110
Fine output end alignment setting.
Further, the fiber array 110 is arranged for N*N arrays, and the collimation lens 122 is also that N*N arrays are arranged.
Alternatively, the optical mirror slip group 120 includes into the collimation lens 122 of array arrangement, the collimation lens 122 is respectively at least one
The alignment setting of double-fiber tail optical fiber.
Further, the optical mirror slip group 120 further includes a substrate, and the substrate is equipped with multiple array arrangements
And through-hole corresponding with 122 position of collimation lens, the collimation lens 122 are embedded in the through-hole of substrate.
Further, the fiber array 110 includes the optical fiber interface of multiple array arrangements, and each optical fiber interface is equal
It is connect as an optic fibre input end or/and fiber-optic output, and with external optical fiber.
Preferably, the optical fiber interface is double-fiber tail optical fiber, and each double-fiber tail optical fiber is respectively exported with an input optical fibre and one
Optical fiber connects.Specifically, realize that the light path of each double-fiber tail optical fiber is turned on and off by dmd chip 130, i.e., each double-fiber tail optical fiber
Optic fibre input end input light beam to optical switch device in, and converge in the correspondence specific reflection region 131 of dmd chip 130,
It is when the specific reflection region 131 is open state under control, the optical fiber of the light beam coupling to corresponding double-fiber tail optical fiber is defeated
In outlet, conversely, when the specific reflection region 131 is in off state under control, the light beam is reflexed into blank position.
As described above, only preferred embodiment is not intended to limit the scope of the present invention, Fan Yibenfa
Equivalent change or modification made by bright claim is all that the present invention is covered.
Claims (10)
1. a kind of optical switch device, which is characterized in that including fiber array, optical mirror slip group and dmd chip, the fiber array
Including multiple optic fibre input ends and multiple fiber-optic outputs, the dmd chip includes the specific reflection region of multiple array settings；
Wherein, multiple optic fibre input end output beams and by optical mirror slip group be incident in corresponding specific reflection region with send out
The third contact of a total solar or lunar eclipse reflects, and is coupled in corresponding fiber-optic output using optical mirror slip group.
2. optical switch device according to claim 1, it is characterised in that：The optical mirror slip group includes plus lens, more
A optic fibre input end output beam simultaneously forms multiple first convergences position by plus lens, the dmd chip
Specific reflection region is correspondingly arranged with the first convergence position.
3. optical switch device according to claim 2, it is characterised in that：The reflecting optics in the specific reflection region pass through
The rotating mechanism of dmd chip carries out reflection direction adjustment, and the light beam of multiple specific reflection region reflections is simultaneously saturating by convergence
Mirror forms multiple second convergences position, and the fiber-optic output is correspondingly arranged with the second convergence position.
4. optical switch device according to claim 2, it is characterised in that：The optical mirror slip group includes multiple being arranged at array
The plus lens of cloth, the plus lens are aligned setting with the optic fibre input end of fiber array and fiber-optic output respectively.
5. according to any optical switch device of claim 2 to 4, it is characterised in that：The optical mirror slip group further includes into
The collimation lens of array arrangement, the collimation lens are arranged between plus lens and fiber array, the collimation lens difference
It is aligned setting with the optic fibre input end of fiber array and fiber-optic output.
6. optical switch device according to claim 5, it is characterised in that：The fiber array is arranged for N*N arrays, described
Collimation lens is also that N*N arrays are arranged.
7. optical switch device according to claim 5, it is characterised in that：The optical mirror slip group further includes a base
Plate, the substrate is equipped with multiple array arrangements and through-hole corresponding with collimator lens position, the collimation lens are embedded in base
In the through-hole of plate.
8. optical switch device according to claim 1, it is characterised in that：The fiber array includes multiple array arrangements
Optical fiber interface, each optical fiber interface is used as an optic fibre input end or/and fiber-optic output, and connects with external optical fiber
It connects.
9. optical switch device according to claim 8, it is characterised in that：The optical fiber interface is double-fiber tail optical fiber, per a pair of
Fine tail optical fiber is respectively connect with an input optical fibre and an output optical fibre.
10. optical switch device according to claim 9, it is characterised in that：The optical mirror slip group includes into array arrangement
Collimation lens, the collimation lens is aligned setting with an at least double-fiber tail optical fiber respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810714493.3A CN108717232A (en) | 2018-06-29 | 2018-06-29 | A kind of optical switch device |
| PCT/CN2018/110047 WO2020000774A1 (en) | 2018-06-29 | 2018-10-12 | Optical switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810714493.3A CN108717232A (en) | 2018-06-29 | 2018-06-29 | A kind of optical switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108717232A true CN108717232A (en) | 2018-10-30 |
Family
ID=63912385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810714493.3A Pending CN108717232A (en) | 2018-06-29 | 2018-06-29 | A kind of optical switch device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108717232A (en) |
| WO (1) | WO2020000774A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089487A (en) * | 2021-09-30 | 2022-02-25 | 哈尔滨新光光电科技股份有限公司 | Laser three-dimensional imaging simulator based on DMD |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9453970B2 (en) * | 2012-11-01 | 2016-09-27 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Reconfigurable diffractive optical switch |
| JP5899331B2 (en) * | 2012-12-07 | 2016-04-06 | 日本電信電話株式会社 | Optical input / output device |
| CN104345394A (en) * | 2013-07-25 | 2015-02-11 | 华为技术有限公司 | Optical switch and optical switch array |
| CN105891965A (en) * | 2016-05-10 | 2016-08-24 | 许德蛟 | Large-capacity fiber switching device and program-controlled switching method |
| CN106772822B (en) * | 2017-01-20 | 2019-08-16 | 深圳大学 | A kind of high-speed optical switch device |
-
2018
- 2018-06-29 CN CN201810714493.3A patent/CN108717232A/en active Pending
- 2018-10-12 WO PCT/CN2018/110047 patent/WO2020000774A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089487A (en) * | 2021-09-30 | 2022-02-25 | 哈尔滨新光光电科技股份有限公司 | Laser three-dimensional imaging simulator based on DMD |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020000774A1 (en) | 2020-01-02 |
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Address after: No.35 Cuijing Road, Pingshan District, Shenzhen City, Guangdong Province Applicant after: Ona Technology (Shenzhen) Group Co.,Ltd. Address before: No.35 Cuijing Road, Pingshan District, Shenzhen City, Guangdong Province Applicant before: O-NET COMMUNICATIONS (SHENZHEN) Ltd. |
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